i need a stock bore 250x piston

[200xer]

i need it to have rings also.

[dieselpower1973]

http://www.mfgsupply.com/m/c/NA-10005.html

I run one of these Namura 300ex pistons in my 250x. Compression isn't quite as high as a stock 250x piston, but runs better on pump gas and the coating helps the engine run cooler (I think).http://www.mfgsupply.com/img/atv/na-10005.jpg